@Noel Daniel . Thanks for the heads up. I'll try that the next time I play!
I had to program the keyboard option in order to switch weapons at the request of Atari. However, the weapon swap function can also be initiated by holding down the fire button (keep it pressed) and moving the joystick in he opposite direction of travel. I programmed this to make the game compatible with the XEG game consoles which had an optional keyboard.
It's a decent shooter, but certain parts of the background will kill you if you ram into them and it's also annoying to use the keyboard to switch between your lasers and bombs. Other than those issues, it's a solid game.
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